BUNKER HILL MINING CORP

We were incorporated for the purpose of mineral exploration at the Bunker Hill Mine. We have moved into the development stage concurrent with (i) purchasing the mine and a process plant, (ii) completing successive technical and economic studies, including a Prefeasibility Study, (iii) delineating mineral reserves, and (iv) advancing the construction of the facilities. Subject to securing additional financing discussed in Item 7, “Subsequent Events” operations are planned to commence in mid-2026.

Current securities

1. Completion of Acquisition or Disposition of Assets · Unregistered Sales of Equity Securities · Material Modification to Rights of Security Holders · Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year · Regulation FD DisclosureNov 10, 2026
2. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement · Submission of Matters to a Vote of Security Holders · Regulation FD DisclosureOct 28, 2026
3. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementOct 19, 2026
4. EFFECT filingOct 6, 2026
5. 424B3 filingOct 6, 2026